(Shrub to) tree up to 25 m high, dbh 20-30 cm. Leaves 2-4-jugate, the axes usually tomentose; Inflorescences axillary to terminal, usually a stout branched axis (to clustered), 8-28 cm long, densely hairy. Flowers strongly scented. Sepals 5(-7), usually slightly connate at base, equal (or unequal), narrowly triangular, linear, or broadly ovate to elliptic, acute to rounded, 1.2-2 by 0.5-1.8 mm. Petals variable, 1.2-2 by 0.8-1.7 mm, outside laxly woolly (to glabrous); Stamens 7 or 8; Fruits 2.5-4 by 3-4.3 cm, dull brown to brownish black, densely to laxly variably spiny, glabrous to minutely hairy.
Asia-Temperate: Hainan (Hainan present), Asia-Tropical: Malaya (Peninsular Malaysia present)
Hainan, Indo-China, and Malesia: Malay Peninsula.